78895455149568 has 320 divisors, whose sum is σ = 226980097344000. Its totient is φ = 24277324431360.

The previous prime is 78895455149543. The next prime is 78895455149573. The reversal of 78895455149568 is 86594155459887.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2611465983 + ... + 2611496193.

It is an arithmetic number, because the mean of its divisors is an integer number (709312804200).

Almost surely, 2^{78895455149568} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78895455149568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113490048672000).

78895455149568 is an abundant number, since it is smaller than the sum of its proper divisors (148084642194432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78895455149568 is a wasteful number, since it uses less digits than its factorization.

78895455149568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32833 (or 32817 counting only the distinct ones).

The product of its digits is 17418240000, while the sum is 84.

The spelling of 78895455149568 in words is "seventy-eight trillion, eight hundred ninety-five billion, four hundred fifty-five million, one hundred forty-nine thousand, five hundred sixty-eight".